This is the third generation version of the reform， chest additions to the buckle design， personal sense of strong， not easy to fall off， can be used as a safer and more assured.
Material: thick environmentally friendly non-toxic PVC material (safe and reliable)
Reference size:
S code height 100-125cm
M code height 125-155cm
L code height 155-170cm
XL code height 170-185cm
Please note: this measurement is suitable for medium or partial lean body fat recommendation to choose a large code